/Engine/Plugins/Experimental/PCG/Source/PCG/Public/Grid/PCGLandscapeCache.h
Gets (and creates if needed) the cache entry - available only in Editor
const [FPCGLandscapeCacheEntry](API\Plugins\PCG\Grid\FPCGLandscapeCacheEntry) * GetCacheEntry ( [ULandscapeComponent](API\Runtime\Landscape\ULandscapeComponent) * LandscapeComponent, const FIntPoint & ComponentKey )